Data Sheet

61
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
12.12 Register Summary
Table 12-7. Register Summary
Offset Name
Bit
Pos.
0x0000 CTRL 7:0 CE MBIST CRC SWRST
0x0001 STATUSA 7:0
PERR FAIL BERR CRSTEXT DONE
0x0002 STATUSB 7:0
HPE DCCD1 DCCD0 DBGPRES PROT
0x0003 Reserved
0x0004
ADDR
7:0 ADDR[5:0]
0x0005 15:8 ADDR[13:6]
0x0006 23:16 ADDR[21:14]
0x0007 31:24 ADDR[29:22]
0x0008
LENGTH
7:0 LENGTH[5:0]
0x0009 15:8 LENGTH[13:6]
0x000A 23:16 LENGTH[21:14]
0x000B 31:24 LENGTH[29:22]
0x000C
DATA
7:0 DATA[7:0]
0x000D 15:8 DATA[15:8]
0x000E 23:16 DATA[23:16]
0x000F 31:24 DATA[31:24]
0x0010
DCC0
7:0 DATA[7:0]
0x0011 15:8 DATA[15:8]
0x0012 23:16 DATA[23:16]
0x0013 31:24 DATA[31:24]
0x0014
DCC1
7:0 DATA[7:0]
0x0015 15:8 DATA[15:8]
0x0016 23:16 DATA[23:16]
0x0017 31:24 DATA[31:24]
0x0018
DID
7:0 DEVSEL[7:0]
0x0019 15:8 DIE[3:0] REVISION[3:0]
0x001A 23:16 FAMILY
SERIES[5:0]
0x001B 31:24 PROCESSOR[3:0] FAMILY[4:1]
0x001C
...
0x00FF
Reserved
0x0100
...
0x01FF
External address range:
Replicates the 0x00:0xFF address range,
Gives access to the same resources but with security restrictions when the device is protected.
This address range is the only one accessible externally (using the ARM DAP) when the device is protected.
0x0200
...
0x0FFF
Reserved
0x1000
ENTRY0
7:0 FMT EPRES
0x1001 15:8 ADDOFF[3:0]
0x1002 23:16 ADDOFF[11:4]
0x1003 31:24 ADDOFF[19:12]